Beauty Of The Burst A electric guitar pickup is actually much like a dynamic microphone coil. For many years, dynamic microphones have now been sent with the voice coil attached to the primary of the microphone's transformer, and not called to ground (‘floating'). The microphone's situation is normally connected to the cable guard, that is linked to the microphone amplifier's floor (see Rane's internet site for more discussion).
By and large, active microphones are extremely calm devices as a result of the combination of transformer isolation and balanced, flying transmission lines all through, along with guarded, humbucking coils.
Therefore why don't you instruments? Instruments are once plagued by noise. Humbucking pickups are just a partial (though essential!) solution. Well-known answer is to move the guitar pickup to a balanced output, being a microphone. An identical strategy was published this 2001 patent program such as Beauty Of The Burst?